Mark Davis

If you know someone who enjoys cannabis, you've probably heard the letters 'CBD' thrown around lately. Short for cannabidiol, CBD is the focus of a new area of cannabis research.

Potential energy is a core concept of any physics-based discussion, and one of the most influential variables in the formulas that describe our known universe.

Google Earth allows us to track our changing world. By providing powerful geomapping and tagging tools to everyone, anyone can explore and model the Earth like never before.